题目内容
13.A mouse ate half of the cake I left on the table.(改为被动语态)Half of the cake I left on the tablewaseaten by a mouse.
分析 一只老鼠吃了我落在桌子上的一半的蛋糕.
我落在桌子上的一半的蛋糕被一只老鼠吃了.
解答 答案:was eaten.原句的ate是eat的过去式,下文的主语Half of the cake 是eat的承受者,构成被动语态,结合时态用一般过去时的被动语态was/were+过去分词,主语是Half of the cake 中cake是不可数名词,故was,eat的过去分词是eaten,故答案是was eaten.
点评 一般过去时的被动语态was/were+过去分词的呈现,各种类型的被动语态的构成要理解掌握.
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